Prescriptions placed at the shelter site will be filled by Dallas-area Walmart stores. The mobile pharmacy also will carry a selection of over-the-counter health products.

“We have four local stores that are going to be supporting our efforts here by bringing in merchandise, both over-the-counter and filling the prescriptions that patients need when they see the physicians [at the center],” said Christina Barker, pharmacy clinic services manager for Walmart.

Walmart said pharmacists from other store locations also are coming to the convention center shelter to support and offer medication counseling to customers picking up prescriptions, the same service they would receive at an in-store Walmart pharmacy.

A current Walmart or Sam’s Club pharmacy account isn’t required for evacuees to use the mobile pharmacy, Walmart noted. For people who don’t have the information needed to transfer a prescription, the American Red Cross has medical professionals on site to help, the retailer said.

The company said late Wednesday that another Walmart mobile pharmacy being sent to Houston to provide prescription-related counseling at no cost to evacuees.